Only children four and under are allowed to play on the equipment. Let c represent the
age of the children allowed on the equipment. Write and graph an inequality to show the
ages of the children that are allowed to use the equipment.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.